.fbk-fab{z-index:900;border:1px solid var(--line);color:#1c2530;height:48px;font:inherit;letter-spacing:-.01em;cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:8px;padding:0 18px 0 15px;font-size:14px;font-weight:700;transition:box-shadow .18s,transform .18s,border-color .18s;display:inline-flex;position:fixed;bottom:96px;right:22px;box-shadow:0 2px 6px #12223c12,0 12px 32px #12223c24}.fbk-fab:hover{border-color:#c6d4ea;transform:translateY(-2px);box-shadow:0 4px 10px #12223c17,0 18px 44px #12223c2e}.fbk-fab-ic{color:var(--blue);flex:none}.fbk-fab.open{justify-content:center;width:48px;padding:0}.fbk-fab-x{color:var(--muted);font-size:22px;font-weight:500;line-height:1}.fbk-panel{z-index:900;border:1px solid var(--line);transform-origin:100% 100%;background:#fff;border-radius:18px;flex-direction:column;gap:11px;width:min(344px,100vw - 40px);padding:18px;animation:.22s both fbk-rise;display:flex;position:fixed;bottom:154px;right:22px;box-shadow:0 6px 16px #0f1e3c14,0 24px 64px #0f1e3c2e}@keyframes fbk-rise{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.fbk-head{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.fbk-head b{letter-spacing:-.02em;font-size:16px;font-weight:800;display:block}.fbk-sub{color:var(--muted);margin-top:3px;font-size:13px;display:block}.fbk-x{color:var(--faint);cursor:pointer;background:0 0;border:none;flex:none;padding:2px 4px;font-size:20px;line-height:1}.fbk-x:hover{color:var(--muted-d)}.fbk-seg{grid-template-columns:1fr 1fr;gap:7px;display:grid}.fbk-seg button{border:1.5px solid var(--line);font:inherit;color:var(--muted-d);cursor:pointer;background:#fff;border-radius:10px;padding:9px 0;font-size:14px;font-weight:700;transition:all .14s}.fbk-seg button.on{border-color:var(--blue);color:var(--blue-d);background:#eff4ff}.fbk-panel textarea{border:1px solid var(--line-2);min-height:112px;font:inherit;resize:vertical;border-radius:11px;padding:11px 13px;font-size:14px;line-height:1.65}.fbk-panel input{border:1px solid var(--line-2);height:42px;font:inherit;border-radius:11px;padding:0 13px;font-size:14px}.fbk-panel textarea:focus,.fbk-panel input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px #2563eb21}.fbk-btn{height:44px;font:inherit;cursor:pointer;border:none;border-radius:11px;font-size:15px;font-weight:800;transition:background .15s}.fbk-btn-blue{background:var(--blue);color:#fff}.fbk-btn-blue:hover:not(:disabled){background:var(--blue-d)}.fbk-btn-blue:disabled{opacity:.55;cursor:default}.fbk-btn-out{border:1px solid var(--line-2);color:var(--ink-2);background:#fff}.fbk-hint{color:var(--faint);text-align:center;margin:0;font-size:12px}.fbk-done{text-align:center;flex-direction:column;gap:8px;padding:10px 0 4px;display:flex}.fbk-done b{color:var(--ok);font-size:16px}.fbk-done p{color:var(--muted-d);margin:0;font-size:13px;line-height:1.6}.fbk-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:6px;display:grid}@media (max-width:560px){.fbk-fab{justify-content:center;width:50px;height:50px;padding:0;bottom:78px;right:16px}.fbk-fab-label{display:none}.fbk-fab-ic{width:22px;height:22px}.fbk-panel{bottom:76px;right:16px}}.fbk-fab{background:var(--blue);border-color:var(--blue);color:#fff;justify-content:center;gap:0;width:58px;height:58px;padding:0;box-shadow:0 4px 12px #2563eb47,0 14px 34px #12223c2e}.fbk-fab:hover{background:var(--blue-d);border-color:var(--blue-d);box-shadow:0 6px 16px #2563eb5c,0 20px 46px #12223c38}.fbk-fab-ic{color:#fff}.fbk-fab.open{width:58px;height:58px}.fbk-fab-x{color:#fff;font-size:26px}@media (max-width:560px){.fbk-fab{width:52px;height:52px;bottom:78px;right:16px}.fbk-fab.open{width:52px;height:52px}}.fbk-panel-top{transform-origin:100% 0;top:74px;bottom:auto}@media (max-width:860px){.fbk-panel-top{top:66px}}@media (min-width:1680px){.fbk-fab,.fbk-panel{right:42px}}